Upgrade: Bump stylelint-order from 6.0.2 to 6.0.4

Bumps [stylelint-order](https://github.com/hudochenkov/stylelint-order) from 6.0.2 to 6.0.4.
- [Release notes](https://github.com/hudochenkov/stylelint-order/releases)
- [Changelog](https://github.com/hudochenkov/stylelint-order/blob/master/CHANGELOG.md)
- [Commits](hudochenkov/stylelint-order@6.0.2...6.0.4)

---
updated-dependencies:
- dependency-name: stylelint-order
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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